[API] Documents new reopen parameter in indices.put_settings

Author: picandocodigo

elasticsearch-api/lib/elasticsearch/api/actions/indices/put_settings.rb

@@ -28,6 +28,7 @@ module Actions
         # @option arguments [Time] :master_timeout Specify timeout for connection to master
         # @option arguments [Time] :timeout Explicit operation timeout
         # @option arguments [Boolean] :preserve_existing Whether to update existing settings. If set to `true` existing settings on an index remain unchanged, the default is `false`
+        # @option arguments [Boolean] :reopen Whether to close and reopen the index to apply non-dynamic settings. If set to `true` the indices to which the settings are being applied will be closed temporarily and then reopened in order to apply the changes. The default is `false`
         # @option arguments [Boolean] :ignore_unavailable Whether specified concrete indices should be ignored when unavailable (missing or closed)
         # @option arguments [Boolean] :allow_no_indices Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)
         # @option arguments [String] :expand_wildcards Whether to expand wildcard expression to concrete indices that are open, closed or both. (options: open, closed, hidden, none, all)